修复见解意外启动的问题

electron/services/insightService.ts

@@ -38,6 +38,13 @@ const API_TIMEOUT_MS = 45_000
 
 /** 沉默天数阈值默认值 */
 const DEFAULT_SILENCE_DAYS = 3
+const INSIGHT_CONFIG_KEYS = new Set([
+  'aiInsightEnabled',
+  'aiInsightScanIntervalHours',
+  'dbPath',
+  'decryptKey',
+  'myWxid'
+])
 
 // ─── 类型 ────────────────────────────────────────────────────────────────────
 
@@ -234,15 +241,57 @@ class InsightService {
   start(): void {
     if (this.started) return
     this.started = true
-    insightLog('INFO', '已启动')
-    this.scheduleSilenceScan()
+    void this.refreshConfiguration('startup')
   }
 
   stop(): void {
     this.started = false
+    this.clearTimers()
+    this.clearRuntimeCache()
+    this.processing = false
+    insightLog('INFO', '已停止')
+  }
+
+  async handleConfigChanged(key: string): Promise<void> {
+    const normalizedKey = String(key || '').trim()
+    if (!INSIGHT_CONFIG_KEYS.has(normalizedKey)) return
+
+    // 数据库相关配置变更后，丢弃缓存并强制下次重连
+    if (normalizedKey === 'dbPath' || normalizedKey === 'decryptKey' || normalizedKey === 'myWxid') {
+      this.clearRuntimeCache()
+    }
+
+    await this.refreshConfiguration(`config:${normalizedKey}`)
+  }
+
+  handleConfigCleared(): void {
+    this.clearTimers()
+    this.clearRuntimeCache()
+    this.processing = false
+  }
+
+  private async refreshConfiguration(_reason: string): Promise<void> {
+    if (!this.started) return
+    if (!this.isEnabled()) {
+      this.clearTimers()
+      this.clearRuntimeCache()
+      this.processing = false
+      return
+    }
+    this.scheduleSilenceScan()
+  }
+
+  private clearRuntimeCache(): void {
     this.dbConnected = false
     this.sessionCache = null
     this.sessionCacheAt = 0
+    this.lastActivityAnalysis.clear()
+    this.lastSeenTimestamp.clear()
+    this.todayTriggers.clear()
+    this.todayDate = getStartOfDay()
+  }
+
+  private clearTimers(): void {
     if (this.dbDebounceTimer !== null) {
       clearTimeout(this.dbDebounceTimer)
       this.dbDebounceTimer = null
@@ -255,7 +304,6 @@ class InsightService {
       clearTimeout(this.silenceInitialDelayTimer)
       this.silenceInitialDelayTimer = null
     }
-    insightLog('INFO', '已停止')
   }
 
   /**
@@ -452,9 +500,12 @@ class InsightService {
   // ── 沉默联系人扫描 ──────────────────────────────────────────────────────────
 
   private scheduleSilenceScan(): void {
+    this.clearTimers()
+    if (!this.started || !this.isEnabled()) return
+
     // 等待扫描完成后再安排下一次，避免并发堆积
     const scheduleNext = () => {
-      if (!this.started) return
+      if (!this.started || !this.isEnabled()) return
       const intervalHours = (this.config.get('aiInsightScanIntervalHours') as number) || 4
       const intervalMs = Math.max(0.1, intervalHours) * 60 * 60 * 1000
       insightLog('INFO', `下次沉默扫描将在 ${intervalHours} 小时后执行`)
@@ -474,7 +525,6 @@ class InsightService {
 
   private async runSilenceScan(): Promise<void> {
     if (!this.isEnabled()) {
-      insightLog('INFO', '沉默扫描：AI 见解未启用，跳过')
       return
     }
     if (this.processing) {
@@ -502,6 +552,7 @@ class InsightService {
 
       let silentCount = 0
       for (const session of sessions) {
+        if (!this.isEnabled()) return
         const sessionId = session.username?.trim() || ''
         if (!sessionId || sessionId.endsWith('@chatroom')) continue
         if (sessionId.toLowerCase().includes('placeholder')) continue
@@ -654,6 +705,7 @@ class InsightService {
   }): Promise<void> {
     const { sessionId, displayName, triggerReason, silentDays } = params
     if (!sessionId) return
+    if (!this.isEnabled()) return
 
     const apiBaseUrl = this.config.get('aiInsightApiBaseUrl') as string
     const apiKey = this.config.get('aiInsightApiKey') as string
@@ -747,6 +799,7 @@ class InsightService {
         insightLog('INFO', `模型选择跳过 ${displayName}`)
         return
       }
+      if (!this.isEnabled()) return
 
       const insight = result.slice(0, 120)
       const notifTitle = `见解 · ${displayName}`